I didn't pay attention to the teacher. I failed to understand the lesson. 

Nowadays it is not easy to find a ___ job. 

Mark the letter A, B, C, or D on your answer sheet to indicate the words) CLOSEST in meaning to the underlined words) in each of the following questions. 

Many plant and animal species will be in danger if we don't take any actions to protect them. 

Your ___ must be typed into 3 copies to hand in for our company 

 ___ the problem of water pollution gets more serious, the government is searching for a way to deal with it 

Being punctual will really help you to succeed in your studies. First and foremost, punctuality (26) ___ that you will arrive on time